error when trying to move DVD files

[Tiangou]

special wrote:
Video players in general can deal with a few corrupt bits/bytes. No one will notice if a pixel on a particular frame has a wrong value. People will complain if the video stops playing...

Yep. Built-in error-correction.

Could be file-level corruption, but drives tend to do one and only one thing reliably: die.

Back up everything now.